diff --git a/pmg.admin-dkim-conf-opts.adoc b/pmg.admin-dkim-conf-opts.adoc
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+`dkim_selector`: `<string>` ::
+
+Default DKIM selector
+
+`dkim_sign`: `<boolean>` ('default =' `0`)::
+
+DKIM sign outbound mails with the configured Selector.
+
+`dkim_sign_all_mail`: `<boolean>` ('default =' `0`)::
+
+DKIM sign all outgoing mails irrespective of the Envelope From domain.
+